Look back to those who lived before and look to those who live now. Like grain the mortal decays and like grain again springs up (is reborn).
The good and the pleasant approach man; the wise examines both and discriminates between them; the wise prefers the good to the pleasant, but the foolish man chooses the pleasant through love of bodily pleasure.
Wide apart are these two, ignorance and what is known as wisdom, leading in opposite directions. I believe Nachiketas to be one who longs for wisdom, since many tempting objects have not turned thee aside.